﻿<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>
    <style type="text/css">
        p{
            color:blue;
        }
    </style>
</head>
<body>
    <p style="color:red;">你好！</p>
    <p>你好吗！</p>
</body>
</html>